Home / 380,162,171.44-569,278,687.14-318,589,417.12

Finding the Fourth Proportional to 380,162,171.44, 569,278,687.14 and 318,589,417.12

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Solution

The fourth proportional to 380,162,171.44, 569,278,687.14 and 318,589,417.12 is: 477,075,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,162,171.44 : 569,278,687.14 = 318,589,417.12 : x
  2. Step 2: Convert to fraction form
    380,162,171.44/569,278,687.14 = 318,589,417.12/x
  3. Step 3: Cross multiply
    380,162,171.44x = 569,278,687.14 × 318,589,417.12
  4. Step 4: Simplify right side
    380,162,171.44x = 181,366,165,114,771,424
  5. Step 5: Solve for x
    x = 181,366,165,114,771,424/380,162,171.44
  6. Step 6: Final answer
    x = 477,075,781.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.